docs: def jsonarrappend(self, name, path=Path.rootPath(), *args):
          """
          Appends the objects ``args`` to the array under the ``path` in key
          ``name``
          """
          pieces = [name, str_path(path)]
          for o in args:
              pieces.append(self._encode(o))
          return self.execute_command('JSON.ARRAPPEND', *pieces)